Answer:
Collect DNA from individuals who are lactase persistent and are from the global hot spot populations. Then look for genetic differences correlated with lactase persistence; the first place to look would be in and around the lactase gene. Compare the genetic differences to see if they are the same or different.
Explanation:
HELP PLEASE ITS TIMED!
Answer:
Molecule
Explanation:
Glucose isn't living so it can't be an organelle or tissue. Glucose has carbon atoms in it.
Hope this helped :)
Describe the major plant tissues in terms of their cell specificities , locations and functions
Answer:
Plants have three basic types of tissues: The fundamental tissues are the plant tissues responsible for nutrition. They are found in all plant organs and are made up of living cells with large vacuoles. The epidermal tissue is the one that covers the roots, stems, leaves and other organs of plants. It is a thick layer with flattened and attached cells. It is lined with a wax-like lipid-rich cuticle that prevents water loss. Conductive tissues make up the vascular system of the plant. They are made up of specialized transfer cells.
Explanation:
The fundamental tissue comprises the main part of the body of the plant. Parenchymal cells (the most abundant), cholenchymal and sclerenchymal cells constitute the fundamental tissues. The cells of the parenchyma located in leaves, stem and root; responsible for photosynthesis or storing substances. Collenchyma cells also form this type of tissue, and their function is to support the stems of herbaceous plants. Sclerenchyma cells have cellulose primary and secondary walls, providing great rigidity and firmness, which is why it is only found in woody plants.The epidermal tissue covers the external surfaces of herbaceous plants, it is composed of tightly united epidermal cells that secrete a layer formed by cutin and waxes called cuticle that prevents the loss of water. Stomata, trichomes and other types of specializations can be seen in it.Vascular tissue, xylem and phloem, are made up of parenchymal cells that store food and water, as well as conduction cells and supporting fibers. Phloem conduction cells transport the products of photosynthesis, mainly sucrose, from leaves to non-photosynthetic cells; xylem cells carry water and minerals from the roots to other parts of the plant.
What percentage of the atmosphere is made up of greenhouse gases like carbon
dioxide, water vapor, and methane?
Helppp
Answer: Nitrogen accounts for 78% of the atmosphere, oxygen 21% and argon 0.9%. Gases like carbon dioxide, nitrous oxides, methane, and ozone are trace gases that account for about a tenth of one percent of the atmosphere.
Explanation:
The most common and important greenhouse gases are carbon dioxide (9–26%), water vapor (36–72%) and methane (4–9%).
What are greenhouse gases?It is the gaseous component of the atmosphere that absorbs and emits radiation at certain wavelengths of radiation emitted by the Earth's surface.
Water vapor, carbon dioxide (CO2), methane are therefore known as greenhouse gases due to they produce a heating effect similar to that which occurs in a greenhouse, with a rise in temperature.
Therefore, we can conclude that the most common and important greenhouse gases are carbon dioxide (9–26%), water vapor (36–72%) and methane (4–9%).
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what type of lipid adds extra flexibility to the cell membranes?
Answer:
phospholipids I think so if it's right u welcome and if not than sorry but I think it's right ;)
Answer:
The answer is Phospholipids
what are the magnitudes of Wildfires?
pleasee help me!!
Answer:
Explanation:
For earthquakes, there's the Richter scale. For hurricanes, the Saffir-Simpson wind scale. For tornadoes, we use the enhanced Fujita scale. Now scientists are developing the wildland urban interface (WUI) hazard scale, a tool that will help predict the threat and measure the severity of wildfire.
What percentage of the offspring will have the type a blood phenotype
If father is heterozygous there are 50% chances of having blood type A, and if father is homozygous, every child will carry blood group A.
What is blood group?Based on presence and absence of antigens and antibodies on surface of red blood cells, blood is classified as blood groups. These antigens can be proteins, carbohydrates, glycolipids, or glycoproteins.
There are two types of blood grouping. ABO and Rh, where ABO denotes persons blood group as A, B, AB, O and Rh denote Rhesus positive and Rhesus negative blood type.
Blood groups are inherited from both parents. If type A is inherited from one parent and type A or O inherited from another parent blood group of offspring will be A.
Therefore, there are 50% of chances that offspring will have A blood type.
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The verb concentrate means “gather” or “collect.” The suffix -ion, used to form nouns, means “state” or “condition.” Use this information to define the noun concentration.
Answer:
noun concentration means the process of People directing effort and attention in a particular thing.
Explanation:
forexample
he stressed the need for greater concentration on environment issues.
The word concentration denotes the act of gathering or collecting something. It is formed from the verb concentrate and the suffix- ion.
Thus, it denotes the action of concentrating a material, energy, or attention in a particular area or at a greater level. Concentration may be used to describe a variety of things, including the density of a material, the amount of focus or attention paid to an activity or issue.
The percentage of a certain ingredient in a combination, or the gathering of resources or people in a certain region. In general, concentration refers to the process of amplifying, concentrating, or collecting materials or forces in a certain situation.
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Look at the diagram. Seed 1 dispersed by the ______. Which one word completes the sentence
Seed 1 dispersed by the wind and water.
Why are seeds dispersed?Dispersal of seeds is very important for the survival of plant species. If plants grow too closely together, they have to compete for light, water and nutrients from the soil. Seed dispersal allows plants to spread out from a wide area and avoid competing with one another for the same resources.
Wind, water, gravity, ballistic (where the seeds are ejected by forceful and often explosive mechanisms) and animals are the main ways seeds are dispersed.
Drop and roll – the casing of the fruits from trees, such as horse chestnut, split when they land on the ground. On impact the fruit then rolls away from the tree.
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is the sequence of a dna strand is aagcca what are the bases on its complementary strand
Answer:
CAN U PLSS HELP ME IM DYING BC I NEED HELP ON THIS TEST CAN U PLS HELP ME
Explanation:
Include a Claim, Evidence, Explanation, and Conclusion for full credit.
Cells were obtained from a patient with a viral infection. The DNA extracted from these cells consisted of two forms: double-stranded human DNA and single-stranded viral DNA. The base composition of these two forms of DNA are shown in the image.
Construct an argument based on evidence to determine which form was the viral DNA and which form was the human DNA.
Why do chromosomes in body cells exist in pairs?
OA.
because chromosomes group together to fit into the small space of a cell
ОВ.
because each parent contributes one of each type of chromosome to its offspring
OC.
because chromosomes from one parent must remain separate from those of the other
OD.
because each chromosome is duplicated when an organism is born
Answer:
B
Explanation:
Each chromosome comes from each parent during reproduction/sex
22. Of the following bases, which one is not found in DNA?
I need help ASAP
Answer:
We need the answer choices then ill change my response
Explanation:
Definition: This is the structure in the cell nucleus that houses a celo's genetic information
Answer:
Explanation:
This is the the theory that describes protein building in this order: DNA to RNA to protein. Protein is never back-translated to RNA or DNA; DNA is never directly translated to protein. Chromosome. This is the structure in the cell nucleus that houses a cell's genetic information.
A hawk building its nest on an arm of a saguaro cactus is a sign of?
A. commensalism
B. mutualism
C. paraitism
D. predation
what is the balance between heat produce and heat lost in the body
Answer: Body temperature is the balance between heat produced in the body and heat loss from the body. Heat Production Heat Loss = Body Temperature.
Explanation:
Answer:it’s
The letter A
Explanation:
True or False?
"Scientists use ice cores to directly measure past climates"
Answer:true
Explanation:
True
True
True
True
True
help plsssssssssssssssss Which weather event is most likely to occur if there are warmer than average ocean waters in the Pacific?
1 option choice
a Flooding in the southern United States due to El Niño
b Drought in the southern United States due to La Niña
c Wet conditions in the Pacific Northwest due to El Niño
d Weak trade winds due to La Niña
Answer:
a Flooding in the southern United States due to El Niño
Explanation:
Describe the sun’s role in the sustainability of the Earth’s environment.
Without the sun, most/all life would cease to exist, especially once depending on light energy from the sun like plants, forming the bases of life.
Explanation:
Plant (producers) use light energy to photosynthesis, producing the energy or food other herbivores (plus, our primary&secondary consumers) dependant upon, to survive; then, they get preyed upon (by our tertiary consumers) - structuring the food chain as we all know of. Hence, sustaining life/ living organisms on earth, for generations to come.
Thus, all life on earth as we know it, basically, won't exist. Abiotic factors are the one's to live a happy ever after. There are non-living, once that don't undergo cellular respiration like us humans, e.g., rocks don't respire.
Anyways the sun is a star, one day (millions to billions years onwards) it's predicted to engulf our earth, when transitioning to become a red giant. So, it might not sustain earth forever.
Don't panic, you won't live to experience this! How fantastic does this sounds?
Hope this helps!
if the cell is not to divide, at which checkpoint will the cycle stop and move into a resting phase?
G1 checkpoint is the correct answer
what are chromosomes?
A. Strands of DNA wrapped around proteins
B. A form of virus that infects cells
C. Any organism that contains DNA
D. The alleles that cause certain traits
Answer:
A?
Explanation:
a
I believe the answer is A. Strands of DNA wrapped around proteins.
Which main climate features both humid Subtropical climates as well as Mediterranean Sub-climates?
polar
highlands
tropical rainy
temperate marine
Your answer should be:
D. Temperate Marine
I hope this helped!
:DTrue or False, a Scavenger can be an herbivore
4. Why was Wegener's theory of continental drift almost completely discarded?
1)It didn't explain how mountains formed.
2)It didn't explain how continents fit together.
3)It didn't have a mechanism for how drift occurred.
4)It wasn't supported by fossil evidence.
Answer:
It didn’t have a mechanism for how drift occurred.
Explanation:
He couldn't explain the mechanism behind the movement of the Earth's continents.
Wegener's theory of continental drift was almost completely discarded because it didn't have a mechanism for how drift occurred (Option 3).
What is continental drift?The theory of continental drift was proposed by Alfred Wegener to explain the current position of the continents.
According to this theory (continental drift), continents once formed a super landmass called Pangea.In conclusion, Wegener's theory of continental drift was almost completely discarded because it didn't have a mechanism for how drift occurred (Option 3).
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In soccer, players kick a soccer ball
across a flat field. At practice one day,
three soccer balls that have the same
mass were rolling across the field. They
were each kicked by a soccer player,
but not from the same direction. Each
soccer ball changed speed as a result of
being kicked. Use the information in
the diagram to answer. Which soccer
ball(s) experienced the strongest force
when it was kicked? How do
you
know?
A virus has entered your body through the air. You are coughing, and have a runny nose, and are running fever. 1. Idenitify the stimulus and your body's response. 2. What is the main body system involved in this response?
Answer:
nervous system and hormones
A horse's cells carry out many processes at once. Some cells are involved in growing fur and some are involved in muscle contraction.
Which sentence describes how cells continue to carry out their many processes?
New cells are always being made from old ones in the process of meiosis.
Cells contain genes from two individuals, and the combination of genes result in genetic variation
The phospholipid bilayer of the cell membrane is selectively permeable.
Cells are constantly converting the energy from glucose into usable energy in the form of ATP
Answer:
Cells are constantly converting the energy from glucose into usable energy in the form of ATP.
Explanation:
Which of the following are functions or roles of genetic counselors? Check all that apply.
Educate clients about coping strategies.
Educate clients about specific disorders.
Collect and discuss the client’s family history.
List options for treatment and recommend the best option.
Provide information on possible treatments for infertile couples.
Provide long-term counseling to address a client’s psychological needs.
Educate parents so they can make informed decisions about fetal intervention and therapy.
Answer is A)B)C)E)G
the answers are
A)
B)
C)
E)
G)
Answer:
A
B
C
E
G
Explanation:
1.I was invented in the 1960s.
2.I am well known for the light I produce.
3.My light is monochromatic and coherent.
4.It has high intensity and low divergence.
5.Because of these properties, It is used in cutters, DVD player and surgery.
So who am I?
Answer:
Laser
Explanation:
The properties and description given fits precisely that of a laser.
It was invented in May 1960 by Theodore Maiman.
LASER = Light Amplification by Stimulated Emission Radiation.
It a monochromatic and coherent lightLaser is used in cutters, DVD players and for performing surgeries. Some equipment also use laser to take certain measurements. They are distinguished by the lasing materials used to produce them.Select if the example is of weather or climate... *
Minneapolis being cold and snowy in the winter
Louisville having a thunderstorm in August
Louisville getting some snow on December 24th
Miami being hot and humid in the summer
Answer:
1. climate
2. weather
3. weather
4. climate
How does biodiversity build natural capital?
During the light dependent reaction of photosynthesis, light energy is converted to the energy currency of ALL cells. This energy-carrying molecule is needed to produce glucose. This molecule is
Answer:
ATP stands for Adenosine Triphosphate which is known as the energy currency of the cell. It is produced during the light-dependent reactions of photosynthesis and gets used up during the light-independent reaction or the Calvin cycle in order to produce food for the plants which is glucose( gets stored as starch).